[INFO] cloning repository https://github.com/matklad/arbring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/arbring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09098849eb5bb1524bb866c248262a867db401ad
[INFO] testing matklad/arbring against nightly-2025-01-18+rustflags=-Zrandomize-layout for randomize-layout-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Farbring" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/arbring on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/arbring
[INFO] finished tweaking git repo https://github.com/matklad/arbring
[INFO] tweaked toml for git repo https://github.com/matklad/arbring written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/arbring already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a55ac12b4099d6e07648c58c0d28e31ea6b4cd2a83bcbeae048e3cebb8dc34c
[INFO] running `Command { std: "docker" "start" "-a" "6a55ac12b4099d6e07648c58c0d28e31ea6b4cd2a83bcbeae048e3cebb8dc34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a55ac12b4099d6e07648c58c0d28e31ea6b4cd2a83bcbeae048e3cebb8dc34c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a55ac12b4099d6e07648c58c0d28e31ea6b4cd2a83bcbeae048e3cebb8dc34c", kill_on_drop: false }`
[INFO] [stdout] 6a55ac12b4099d6e07648c58c0d28e31ea6b4cd2a83bcbeae048e3cebb8dc34c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15884d9274f400045ecdcb18c5079a42ef813283da84e835e0d5cb14539b4d8e
[INFO] running `Command { std: "docker" "start" "-a" "15884d9274f400045ecdcb18c5079a42ef813283da84e835e0d5cb14539b4d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbitrary v1.3.2 (http://github.com/rust-fuzz/arbitrary#74122c8e)
[INFO] [stderr]    Compiling arbtest v0.3.1
[INFO] [stderr]    Compiling arbring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stdout]   --> src/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Queue {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn push(&mut self, n: i32) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BadCounter` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BadCounter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BadCounter` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment` and `get` are never used
[INFO] [stdout]   --> src/badcounter.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BadCounter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 17 |   fn increment(&self) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn get(&self) -> u32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/badcounter.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Shared {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get` and `block` are never used
[INFO] [stdout]   --> src/badcounter.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl Shared {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   fn block(&self) {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicU32` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct AtomicU32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AtomicU32` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stdout]    --> src/badcounter.rs:98:6
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl AtomicU32 {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 98  |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controlled_thread` is never used
[INFO] [stdout]    --> src/badcounter.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ControlledThread` is never constructed
[INFO] [stdout]    --> src/badcounter.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stdout]    --> src/badcounter.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stdout]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stdout] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |   fn unblock(&mut self) {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccountId` is never used
[INFO] [stdout]  --> src/bank.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AccountId = u64;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Balance` is never used
[INFO] [stdout]  --> src/bank.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Balance = u128;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bank` is never constructed
[INFO] [stdout]  --> src/bank.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bank {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/bank.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Bank {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |   pub fn new() -> Bank {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "15884d9274f400045ecdcb18c5079a42ef813283da84e835e0d5cb14539b4d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15884d9274f400045ecdcb18c5079a42ef813283da84e835e0d5cb14539b4d8e", kill_on_drop: false }`
[INFO] [stdout] 15884d9274f400045ecdcb18c5079a42ef813283da84e835e0d5cb14539b4d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 172655513dae8f36370e2aed77ce0d5097d2414d543ba52827aadb9b393093b2
[INFO] running `Command { std: "docker" "start" "-a" "172655513dae8f36370e2aed77ce0d5097d2414d543ba52827aadb9b393093b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arbring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Queue` is never constructed
[INFO] [stdout]  --> src/lib.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Queue {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stdout]   --> src/lib.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Queue {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |   fn push(&mut self, n: i32) {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |   fn len(&self) -> usize {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BadCounter` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct BadCounter {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BadCounter` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `increment` and `get` are never used
[INFO] [stdout]   --> src/badcounter.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl BadCounter {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 17 |   fn increment(&self) {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn get(&self) -> u32 {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Status` is never used
[INFO] [stdout]   --> src/badcounter.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Status {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shared` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:65:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | struct Shared {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `get` and `block` are never used
[INFO] [stdout]   --> src/badcounter.rs:75:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | impl Shared {
[INFO] [stdout]    | ----------- associated items in this implementation
[INFO] [stdout] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |   fn block(&self) {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AtomicU32` is never constructed
[INFO] [stdout]   --> src/badcounter.rs:93:8
[INFO] [stdout]    |
[INFO] [stdout] 93 | struct AtomicU32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AtomicU32` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stdout]    --> src/badcounter.rs:98:6
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl AtomicU32 {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] 98  |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stdout]     |      ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `controlled_thread` is never used
[INFO] [stdout]    --> src/badcounter.rs:128:4
[INFO] [stdout]     |
[INFO] [stdout] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ControlledThread` is never constructed
[INFO] [stdout]    --> src/badcounter.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stdout]    --> src/badcounter.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stdout]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stdout] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stdout]     |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stdout]     |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 189 |   fn unblock(&mut self) {
[INFO] [stdout]     |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `AccountId` is never used
[INFO] [stdout]  --> src/bank.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | type AccountId = u64;
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Balance` is never used
[INFO] [stdout]  --> src/bank.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Balance = u128;
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Bank` is never constructed
[INFO] [stdout]  --> src/bank.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Bank {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/bank.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Bank {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout] 13 |
[INFO] [stdout] 14 |   pub fn new() -> Bank {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]  --> src/bank.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/bank.rs:101:10
[INFO] [stdout]     |
[INFO] [stdout] 101 |       if (balance_total != balance_total_initial) {
[INFO] [stdout]     |          ^                                      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 101 -       if (balance_total != balance_total_initial) {
[INFO] [stdout] 101 +       if balance_total != balance_total_initial {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `fetch_add` is never used
[INFO] [stdout]    --> src/badcounter.rs:117:6
[INFO] [stdout]     |
[INFO] [stdout] 97  | impl AtomicU32 {
[INFO] [stdout]     | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "172655513dae8f36370e2aed77ce0d5097d2414d543ba52827aadb9b393093b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "172655513dae8f36370e2aed77ce0d5097d2414d543ba52827aadb9b393093b2", kill_on_drop: false }`
[INFO] [stdout] 172655513dae8f36370e2aed77ce0d5097d2414d543ba52827aadb9b393093b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fccad5fa0395ca2fddad3d409ecbf96bd1ddf5664ef3eaf68db53eac40db944d
[INFO] running `Command { std: "docker" "start" "-a" "fccad5fa0395ca2fddad3d409ecbf96bd1ddf5664ef3eaf68db53eac40db944d", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]  --> src/bank.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeMap, HashMap};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::VecDeque`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::VecDeque;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Queue` is never constructed
[INFO] [stderr]  --> src/lib.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Queue {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `push`, `pop`, and `len` are never used
[INFO] [stderr]   --> src/lib.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl Queue {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 13 |   pub fn new(size: usize) -> Queue {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 21 |   fn push(&mut self, n: i32) {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |   fn pop(&mut self) -> i32 {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 32 |   fn len(&self) -> usize {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BadCounter` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | struct BadCounter {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BadCounter` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `increment` and `get` are never used
[INFO] [stderr]   --> src/badcounter.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 16 | impl BadCounter {
[INFO] [stderr]    | --------------- methods in this implementation
[INFO] [stderr] 17 |   fn increment(&self) {
[INFO] [stderr]    |      ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |   fn get(&self) -> u32 {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Status` is never used
[INFO] [stderr]   --> src/badcounter.rs:59:6
[INFO] [stderr]    |
[INFO] [stderr] 59 | enum Status {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Shared` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:65:8
[INFO] [stderr]    |
[INFO] [stderr] 65 | struct Shared {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `get` and `block` are never used
[INFO] [stderr]   --> src/badcounter.rs:75:6
[INFO] [stderr]    |
[INFO] [stderr] 74 | impl Shared {
[INFO] [stderr]    | ----------- associated items in this implementation
[INFO] [stderr] 75 |   fn get() -> Option<Arc<Shared>> {
[INFO] [stderr]    |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 79 |   fn block(&self) {
[INFO] [stderr]    |      ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AtomicU32` is never constructed
[INFO] [stderr]   --> src/badcounter.rs:93:8
[INFO] [stderr]    |
[INFO] [stderr] 93 | struct AtomicU32 {
[INFO] [stderr]    |        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `AtomicU32` has a derived impl for the trait `Default`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `load`, `store`, and `fetch_add` are never used
[INFO] [stderr]    --> src/badcounter.rs:98:6
[INFO] [stderr]     |
[INFO] [stderr] 97  | impl AtomicU32 {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] 98  |   fn load(&self, ordering: Ordering) -> u32 {
[INFO] [stderr]     |      ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 108 |   fn store(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `controlled_thread` is never used
[INFO] [stderr]    --> src/badcounter.rs:128:4
[INFO] [stderr]     |
[INFO] [stderr] 128 | fn controlled_thread<'scope, State: 'scope + Send>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `ControlledThread` is never constructed
[INFO] [stderr]    --> src/badcounter.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 | struct ControlledThread<'scope, State: 'scope> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `act`, `is_blocked`, and `unblock` are never used
[INFO] [stderr]    --> src/badcounter.rs:170:6
[INFO] [stderr]     |
[INFO] [stderr] 169 | impl<'scope, State: 'scope> ControlledThread<'scope, State> {
[INFO] [stderr]     | ----------------------------------------------------------- methods in this implementation
[INFO] [stderr] 170 |   fn act(&mut self, f: impl FnOnce(&mut State) + Send + 'static) {
[INFO] [stderr]     |      ^^^
[INFO] [stderr] ...
[INFO] [stderr] 185 |   fn is_blocked(&self) -> bool {
[INFO] [stderr]     |      ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 189 |   fn unblock(&mut self) {
[INFO] [stderr]     |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `AccountId` is never used
[INFO] [stderr]  --> src/bank.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | type AccountId = u64;
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `Balance` is never used
[INFO] [stderr]  --> src/bank.rs:4:6
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Balance = u128;
[INFO] [stderr]   |      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Bank` is never constructed
[INFO] [stderr]  --> src/bank.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct Bank {
[INFO] [stderr]   |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated items are never used
[INFO] [stderr]   --> src/bank.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Bank {
[INFO] [stderr]    | --------- associated items in this implementation
[INFO] [stderr] 12 |   pub const TREASURY: AccountId = 0;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr] 13 |
[INFO] [stderr] 14 |   pub fn new() -> Bank {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 23 |   fn create_treasury(&mut self, treasury_balance: Balance) {
[INFO] [stderr]    |      ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |   pub fn create_account(&mut self) -> AccountId {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 37 |   pub fn delete_account(&mut self, account_id: AccountId) {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 42 |   pub fn get_accounts(&self) -> impl ExactSizeIterator<Item = AccountId> + '_ {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |   pub fn lookup_balance(&self, account_id: AccountId) -> Balance {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 50 |   pub fn transfer(&mut self, dr: AccountId, cr: AccountId, amount: Balance) {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `arbring` (lib) generated 18 warnings (run `cargo fix --lib -p arbring` to apply 2 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/bank.rs:101:10
[INFO] [stderr]     |
[INFO] [stderr] 101 |       if (balance_total != balance_total_initial) {
[INFO] [stderr]     |          ^                                      ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 101 -       if (balance_total != balance_total_initial) {
[INFO] [stderr] 101 +       if balance_total != balance_total_initial {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: method `fetch_add` is never used
[INFO] [stderr]    --> src/badcounter.rs:117:6
[INFO] [stderr]     |
[INFO] [stderr] 97  | impl AtomicU32 {
[INFO] [stderr]     | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 117 |   fn fetch_add(&self, value: u32, ordering: Ordering) {
[INFO] [stderr]     |      ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `arbring` (lib test) generated 3 warnings (1 duplicate) (run `cargo fix --lib -p arbring --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/arbring-924366e44045eeae)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_queue ... FAILED
[INFO] [stdout] test badcounter::test_bad_counter ... FAILED
[INFO] [stdout] test bank::test_bank ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- test_queue stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'test_queue' panicked at src/lib.rs:33:5:
[INFO] [stdout] attempt to subtract with overflow
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64a0e5955aba - std::backtrace_rs::backtrace::libunwind::trace::hb059275cfc8d6126
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x64a0e5955aba - std::backtrace_rs::backtrace::trace_unsynchronized::h2da071e4327ce3ee
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x64a0e5955aba - std::sys::backtrace::_print_fmt::h842a1474e6f8d23f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x64a0e5955aba - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h71a62eb3b9696b12
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x64a0e597d963 - core::fmt::rt::Argument::fmt::hdb6b616786b41dc1
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x64a0e597d963 - core::fmt::write::h2cc1698af7e2d686
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/fmt/mod.rs:1440:21
[INFO] [stdout]    6:     0x64a0e59525d3 - std::io::Write::write_fmt::hab1b4cd059a79022
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/io/mod.rs:1887:15
[INFO] [stdout]    7:     0x64a0e5955902 - std::sys::backtrace::BacktraceLock::print::h147fe35b4ea13b08
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x64a0e5956edf - std::panicking::default_hook::{{closure}}::hbd44223dbdc0d208
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:298:22
[INFO] [stdout]    9:     0x64a0e5956cf8 - std::panicking::default_hook::h20f81eb0576efcec
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:322:9
[INFO] [stdout]   10:     0x64a0e591f973 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hdb53814c496a4d34
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   11:     0x64a0e591f973 - test::test_main::{{closure}}::hc0a4963c59427c24
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:134:21
[INFO] [stdout]   12:     0x64a0e59579d3 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h591b2225413a77e9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2027:9
[INFO] [stdout]   13:     0x64a0e59579d3 - std::panicking::rust_panic_with_hook::h625eea43051b2edc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:839:13
[INFO] [stdout]   14:     0x64a0e5957656 - std::panicking::begin_panic_handler::{{closure}}::h4f9159cfbc3f6bd3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:697:13
[INFO] [stdout]   15:     0x64a0e5955fb9 - std::sys::backtrace::__rust_end_short_backtrace::h0390abce48353151
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   16:     0x64a0e595731d - rust_begin_unwind
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:695:5
[INFO] [stdout]   17:     0x64a0e597be40 - core::panicking::panic_fmt::h9e7c637e9e5f29c9
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:75:14
[INFO] [stdout]   18:     0x64a0e59826f7 - core::panicking::panic_const::panic_const_sub_overflow::hc936e676af9fcd5b
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panicking.rs:178:21
[INFO] [stdout]   19:     0x64a0e58d05bb - arbring::Queue::len::h3dec599b304ff3cd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:33:5
[INFO] [stdout]   20:     0x64a0e58d08c1 - arbring::test_queue::{{closure}}::h89746eda994d1429
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:59:18
[INFO] [stdout]   21:     0x64a0e58e1625 - arbtest::Context::try_seed::hed48b5562a245a08
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:493:9
[INFO] [stdout]   22:     0x64a0e58e0619 - arbtest::Context::run_search::h2d2eee296248c8ce
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:424:35
[INFO] [stdout]   23:     0x64a0e58e047c - arbtest::Context::run::h164211a7deadf449
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:401:30
[INFO] [stdout]   24:     0x64a0e58c6903 - <arbtest::ArbTest<P> as core::ops::drop::Drop>::drop::h364559a1116fa580
[INFO] [stdout]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arbtest-0.3.1/src/lib.rs:380:13
[INFO] [stdout]   25:     0x64a0e58c54ca - core::ptr::drop_in_place<arbtest::ArbTest<arbring::test_queue::{{closure}}>>::h6ba99fe6270a23a3
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ptr/mod.rs:523:1
[INFO] [stdout]   26:     0x64a0e58d0634 - arbring::test_queue::had04741305244daa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:62:5
[INFO] [stdout]   27:     0x64a0e58d0607 - arbring::test_queue::{{closure}}::h38fd3fb89b95a2c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/lib.rs:38:16
[INFO] [stdout]   28:     0x64a0e58c3946 - core::ops::function::FnOnce::call_once::h0e941869e1dc063f
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   29:     0x64a0e59250cb - core::ops::function::FnOnce::call_once::he27718dfdd183f43
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   30:     0x64a0e59250cb - test::__rust_begin_short_backtrace::h4e84902998457a5d
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:632:18
[INFO] [stdout]   31:     0x64a0e5924003 - test::run_test_in_process::{{closure}}::h7176fd18fc1feca0
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:60
[INFO] [stdout]   32:     0x64a0e5924003 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf79cff2a624d8cf7
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   33:     0x64a0e5924003 - std::panicking::try::do_call::h3da0561d9ab99c25
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   34:     0x64a0e5924003 - std::panicking::try::h41c9fa508bc61df6
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   35:     0x64a0e5924003 - std::panic::catch_unwind::h6b3ff07bb5afad93
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   36:     0x64a0e5924003 - test::run_test_in_process::hc7253dd11b39b9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:655:27
[INFO] [stdout]   37:     0x64a0e5924003 - test::run_test::{{closure}}::hfb2007f8649c30bb
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:576:43
[INFO] [stdout]   38:     0x64a0e58e70e5 - test::run_test::{{closure}}::h56a17aa7a282a9f4
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/test/src/lib.rs:606:41
[INFO] [stdout]   39:     0x64a0e58e70e5 - std::sys::backtrace::__rust_begin_short_backtrace::hd2d2d2fb8e8c6aac
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   40:     0x64a0e58ea9ca - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h4faa3f9db6133423
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   41:     0x64a0e58ea9ca - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hf2e855a36a4ea846
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   42:     0x64a0e58ea9ca - std::panicking::try::do_call::h2f73af3616c35465
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:587:40
[INFO] [stdout]   43:     0x64a0e58ea9ca - std::panicking::try::hd1660ce9efadef5a
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panicking.rs:550:19
[INFO] [stdout]   44:     0x64a0e58ea9ca - std::panic::catch_unwind::h5ee8d7823b8ca744
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/panic.rs:358:14
[INFO] [stdout]   45:     0x64a0e58ea9ca - std::thread::Builder::spawn_unchecked_::{{closure}}::h53c3a1894dce8407
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   46:     0x64a0e58ea9ca - core::ops::function::FnOnce::call_once{{vtable.shim}}::h048ce291ad4f62bf
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   47:     0x64a0e595ba0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::ha52bedf99a3b4981
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   48:     0x64a0e595ba0b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h567748934d80ccf8
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/alloc/src/boxed.rs:2013:9
[INFO] [stdout]   49:     0x64a0e595ba0b - std::sys::pal::unix::thread::Thread::new::thread_start::h2d970728ae887adc
[INFO] [stdout]                                at /rustc/6067b36314ab5eb2eb47cecc464545ba58e1ad24/library/std/src/sys/pal/unix/thread.rs:106:17
[INFO] [stdout]   50:     0x7c592e33dac3 - <unknown>
[INFO] [stdout]   51:     0x7c592e3cea04 - clone
[INFO] [stdout]   52:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0x71f3484c00000020[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- badcounter::test_bad_counter stdout ----
[INFO] [stdout] 
[INFO] [stdout] arbtest failed!
[INFO] [stdout]     Seed: [1m0xf9c4674100000020[0m
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     badcounter::test_bad_counter
[INFO] [stdout]     test_queue
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fccad5fa0395ca2fddad3d409ecbf96bd1ddf5664ef3eaf68db53eac40db944d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fccad5fa0395ca2fddad3d409ecbf96bd1ddf5664ef3eaf68db53eac40db944d", kill_on_drop: false }`
[INFO] [stdout] fccad5fa0395ca2fddad3d409ecbf96bd1ddf5664ef3eaf68db53eac40db944d
